#include <bits/stdc++.h>
#define endl "\n"
#define sz = s.size()
using ll = long long;
const int Z = 1e8+9;
const int INF = 1e9+9;
const int mod = 1e9+7;
using namespace std;
ll fp (ll x, ll y)
{
if (y == 0) return 1;
if (y == 1) return x;
ll ret = fp(x, y/2) % mod;
if (y % 2) ret *= x;
return ret;
}
int a[Z];
ll x, n, mn, mx, sum, ans, dif, t, k ;
int main()
{
ios::sync_with_stdio(0);
cin.tie(NULL);
cin >> n;
for (int i = 0; i < n; i++) cin >> a[i] ;
ll l = 0, r = n - 1 ;
while (l != r){
if (l == r - 1 && a[l] == a[r]) break ;
if (a[l] == a[r]){
l++;
r--;
}
else{
if (a[l] < a[r]){
a[l+1] += a[l] ;
l++ ;
ans++ ;
}
else{
a[r-1] += a[r] ;
r-- ;
ans++ ;
}
}
}
///for (int i = 0 ; i < n; i++) cout << a[i] << " " ;
cout << ans << endl;
return 0 ;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
588 KB |
Output is correct |
2 |
Correct |
6 ms |
588 KB |
Output is correct |
3 |
Correct |
6 ms |
684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
1588 KB |
Output is correct |
2 |
Correct |
21 ms |
1868 KB |
Output is correct |
3 |
Correct |
25 ms |
2188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
38 ms |
3424 KB |
Output is correct |
2 |
Correct |
42 ms |
5008 KB |
Output is correct |
3 |
Correct |
49 ms |
5552 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
66 ms |
4744 KB |
Output is correct |
2 |
Correct |
52 ms |
6256 KB |
Output is correct |
3 |
Correct |
51 ms |
6212 KB |
Output is correct |